A professional who controls equipment, such as washers, rectifiers, condensers, and mixing tanks arranged in series to recover pyridine sulfate from tar oils. Respnsibilities include:

• Prepares solutions of diluted sulfuric acid and sodium carbonate to specified concentration by adding water.
• Pumps solutions into system to dissolve pyridine and neutralize acids.
• Starts pumps to circulate batch through system, observing gauges and other instruments.
• Removes tarry compounds dissolved in pyridine sulfate solution by rectifying (boiling) solution with steam.
• Samples products for analysis, and interprets results and makes adjustments to control quantity and quality of product according to laboratory report.
• Inspects equipment, and steams out lines, changes charts, lubricates equipment, and makes minor repairs and adjustments.